guardroom

noun

1. 卫兵室；禁闭室
   a room for soldiers who are guarding the entrance to a building or for keeping military prisoners in

1. But even so I still had to spend two hours polishing the guardroom floor, only to have an officer inspect it, then pour his tea on it and tell me to do it again.
   不过，虽然如此，我每天仍需要花两个小时擦拭守卫室的地板，仅仅为了让一个军官检查它，然后他把茶倒在地板上，让我再擦一遍。

noun

1. a room used by soldiers on guard

2. a cell in which soldiers who are prisoners are confined